Loosening rocks detection at Draa Sfar deep underground mine in Morocco using infrared thermal imaging and image segmentation models

Rockfalls are among the frequent hazards in underground mines worldwide, requiring effective methods for detecting unstable rock blocks to ensure miners' and equipment's safety. This study proposes a novel approach for identifying potential rockfall zones using infrared thermal imaging and...

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Main Authors: Kaoutar Clero, Said Ed-Diny, Mohammed Achalhi, Mouhamed Cherkaoui, Imad El Harraki, Sanaa El Fkihi, Intissar Benzakour, Tarik Soror, Said Rziki, Hamd Ait Abdelali, Hicham Tagemouati, François Bourzeix
Format: Article
Language:English
Published: KeAi Communications Co. Ltd. 2025-06-01
Series:Artificial Intelligence in Geosciences
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666544125000024
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author Kaoutar Clero
Said Ed-Diny
Mohammed Achalhi
Mouhamed Cherkaoui
Imad El Harraki
Sanaa El Fkihi
Intissar Benzakour
Tarik Soror
Said Rziki
Hamd Ait Abdelali
Hicham Tagemouati
François Bourzeix
author_facet Kaoutar Clero
Said Ed-Diny
Mohammed Achalhi
Mouhamed Cherkaoui
Imad El Harraki
Sanaa El Fkihi
Intissar Benzakour
Tarik Soror
Said Rziki
Hamd Ait Abdelali
Hicham Tagemouati
François Bourzeix
author_sort Kaoutar Clero
collection DOAJ
description Rockfalls are among the frequent hazards in underground mines worldwide, requiring effective methods for detecting unstable rock blocks to ensure miners' and equipment's safety. This study proposes a novel approach for identifying potential rockfall zones using infrared thermal imaging and image segmentation techniques. Infrared images of rock blocks were captured at the Draa Sfar deep underground mine in Morocco using the FLUKE TI401 PRO thermal camera. Two segmentation methods were applied to locate the potential unstable areas: the classical thresholding and the K-means clustering model. The results show that while thresholding allows a binary distinction between stable and unstable areas, K-means clustering is more accurate, especially when using multiple clusters to show different risk levels. The close match between the clustering masks of unstable blocks and their corresponding visible light images further validated this. The findings confirm that thermal image segmentation can serve as an alternative method for predicting rockfalls and monitoring geotechnical issues in underground mines. Underground operators worldwide can apply this approach to monitor rock mass stability. However, further research is recommended to enhance these results, particularly through deep learning-based segmentation and object detection models.
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institution Kabale University
issn 2666-5441
language English
publishDate 2025-06-01
publisher KeAi Communications Co. Ltd.
record_format Article
series Artificial Intelligence in Geosciences
spelling doaj-art-f8fc27332589451094df5bbee5a390772025-01-31T05:12:30ZengKeAi Communications Co. Ltd.Artificial Intelligence in Geosciences2666-54412025-06-0161100106Loosening rocks detection at Draa Sfar deep underground mine in Morocco using infrared thermal imaging and image segmentation modelsKaoutar Clero0Said Ed-Diny1Mohammed Achalhi2Mouhamed Cherkaoui3Imad El Harraki4Sanaa El Fkihi5Intissar Benzakour6Tarik Soror7Said Rziki8Hamd Ait Abdelali9Hicham Tagemouati10François Bourzeix11National School of Mines of Rabat (ENSMR), Morocco; Moroccan Foundation for Advanced Science, Innovation and Research (MASCIR), Morocco; Corresponding author. National School of Mines of Rabat (ENSMR), Morocco.National School of Mines of Rabat (ENSMR), MoroccoNational School of Mines of Rabat (ENSMR), MoroccoNational School of Mines of Rabat (ENSMR), MoroccoNational School of Mines of Rabat (ENSMR), MoroccoNational School of Computer Science and Systems Analysis (ENSIAS), MoroccoREMINEX Engineering, R&D and Project Management, MoroccoREMINEX Engineering, R&D and Project Management, MoroccoREMINEX Engineering, R&D and Project Management, MoroccoMohammed VI Polytechnic University, Analytics Lab, MoroccoMohammed VI Polytechnic University, Analytics Lab, MoroccoMohammed VI Polytechnic University, Analytics Lab, MoroccoRockfalls are among the frequent hazards in underground mines worldwide, requiring effective methods for detecting unstable rock blocks to ensure miners' and equipment's safety. This study proposes a novel approach for identifying potential rockfall zones using infrared thermal imaging and image segmentation techniques. Infrared images of rock blocks were captured at the Draa Sfar deep underground mine in Morocco using the FLUKE TI401 PRO thermal camera. Two segmentation methods were applied to locate the potential unstable areas: the classical thresholding and the K-means clustering model. The results show that while thresholding allows a binary distinction between stable and unstable areas, K-means clustering is more accurate, especially when using multiple clusters to show different risk levels. The close match between the clustering masks of unstable blocks and their corresponding visible light images further validated this. The findings confirm that thermal image segmentation can serve as an alternative method for predicting rockfalls and monitoring geotechnical issues in underground mines. Underground operators worldwide can apply this approach to monitor rock mass stability. However, further research is recommended to enhance these results, particularly through deep learning-based segmentation and object detection models.http://www.sciencedirect.com/science/article/pii/S2666544125000024Underground miningImage processingK-means clusteringInfrared thermal imagingGeotechnical monitoring
spellingShingle Kaoutar Clero
Said Ed-Diny
Mohammed Achalhi
Mouhamed Cherkaoui
Imad El Harraki
Sanaa El Fkihi
Intissar Benzakour
Tarik Soror
Said Rziki
Hamd Ait Abdelali
Hicham Tagemouati
François Bourzeix
Loosening rocks detection at Draa Sfar deep underground mine in Morocco using infrared thermal imaging and image segmentation models
Artificial Intelligence in Geosciences
Underground mining
Image processing
K-means clustering
Infrared thermal imaging
Geotechnical monitoring
title Loosening rocks detection at Draa Sfar deep underground mine in Morocco using infrared thermal imaging and image segmentation models
title_full Loosening rocks detection at Draa Sfar deep underground mine in Morocco using infrared thermal imaging and image segmentation models
title_fullStr Loosening rocks detection at Draa Sfar deep underground mine in Morocco using infrared thermal imaging and image segmentation models
title_full_unstemmed Loosening rocks detection at Draa Sfar deep underground mine in Morocco using infrared thermal imaging and image segmentation models
title_short Loosening rocks detection at Draa Sfar deep underground mine in Morocco using infrared thermal imaging and image segmentation models
title_sort loosening rocks detection at draa sfar deep underground mine in morocco using infrared thermal imaging and image segmentation models
topic Underground mining
Image processing
K-means clustering
Infrared thermal imaging
Geotechnical monitoring
url http://www.sciencedirect.com/science/article/pii/S2666544125000024
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